BNM 17/04/2024

1. What type of climate does India predominantly have?

• • A) Equatorial

• • B) Monsoon

• • C) Desert

• • D) Mediterranean

Answer explanation

Explanation: India predominantly has a monsoon type of climate, characterized by seasonal reversal in wind direction and variations in precipitation.

1. Which region in India receives the highest annual rainfall?

 

• • A) Jaisalmer, Rajasthan

• • B) Ganga delta, West Bengal

• • C) Cherrapunji and Mawsynram, Meghalaya

• • D) Coromandel coast, Tamil Nadu

Answer explanation

Explanation: Cherrapunji and Mawsynram in Meghalaya receive the highest annual rainfall, often exceeding 1,080 cm, due to their unique geographical location and the monsoon winds.

1. Which factor significantly influences the climate of India’s interior regions?

 

• • A) Proximity to the equator

• • B) Distance from the sea

• • C) Altitude above sea level

• D) Forest cover

Answer explanation

Explanation: The interior regions of India are far from the sea’s moderating influence, leading to extremes of climate with high temperature variations.

1. During which months do most parts of India receive rainfall?

                     

• • A) December to February

• • B) March to May

• • C) June to September

• • D) October to November

Answer explanation

Explanation: Most parts of India receive rainfall during the monsoon months of June to September, when the southwest monsoon winds bring moisture-laden air from the Indian Ocean.

The Himalayan Mountains influence the climate of India by:

 

• 1. A) Providing abundant rainfall throughout the year

• 1. B) Acting as a barrier to cold winds from Central Asia

• 1. C) Causing high temperatures in the northern plains

• 1. D) Generating monsoon winds across the country

Answer explanation

Explanation: The Himalayas protect the Indian subcontinent from the cold winds of Central Asia, thereby influencing the climate by preventing these cold winds from reaching the northern plains of India.

Which of the following regions in India experiences an equable climate due to its proximity to the sea?

 

• 1. A) The Thar Desert

• 1. B) The Deccan Plateau

• 1. C) The Coastal areas

• 1. D) The Himalayan region

Answer explanation

Explanation: The coastal areas of India experience an equable climate, which means there is less variation in temperature throughout the year, due to the moderating influence of the sea.

What is the role of western disturbances in India’s climate?

                              

• 1. A) They cause heavy rainfall in the monsoon season

• 1. B) They lead to dry spells in the summer season

• 1. C) They bring rainfall during the winter season

• 1. D) They result in high temperatures during the winter season

Answer explanation

Explanation: Western disturbances are weather phenomena that originate in the Mediterranean region and bring winter rainfall to northwestern India.

Jet streams that blow across the Asian continent north of the Himalayas are known to:

                                                                                   

• 1. A) Increase the humidity in the Indian subcontinent

• 1. B) Influence the pattern of monsoon in India

• 2. C) Cause cyclonic disturbances in the Bay of Bengal

• 1. D) Affect the winter weather conditions in India

Answer explanation

Explanation: Jet streams are strong winds that blow in the upper levels of the atmosphere and can influence the winter weather conditions in India by affecting the movement of western disturbances and other weather systems.

The onset of the southwest monsoon in India typically begins over:

                                 

• 1. A) The Kerala coast

• 2. B) The Coromandel coast

• 1. C) The Konkan coast

• 1. D) The Gujarat coast

Answer explanation

Explanation: The southwest monsoon usually sets in over the Kerala coast by the 1st of June and then progresses northwards to Mumbai and Kolkata.

.Which of the following statements is true regarding the Indian monsoon?

 

• 1. A) The easterly jet stream has no influence on the Indian monsoon.

• 1. B) The easterly jet stream steers tropical depressions into India, affecting monsoon rainfall distribution.

• 1. C) Tropical depressions are insignificant for the distribution of monsoon rainfall in India.

• 1. D) The Indian monsoon is completely understood and can be explained by a single theory.

Answer explanation

Explanation: The easterly jet stream plays a crucial role in steering tropical depressions into India, which significantly impacts the distribution of monsoon rainfall across the subcontinent.